These bamboo/merino wool/spandex fabrics are going to be an excellent addition to your underwear drawer. This fabric is soft, smooth, and has wonderful stretch and recovery for all day butt hugging or boob support.**
The fabric content is 67% bamboo rayon, 28% merino wool, and 5% spandex.
*bra not included
**Some people have found it itchy while others have not. Your mileage will vary.
***You need to size down one size from your normal cotton underwear size. If you are a Large according to the chart, you need to order a Medium.